require 'formula'

class Mupdf < Formula
  homepage 'http://mupdf.com'
  url 'https://mupdf.googlecode.com/files/mupdf-1.2-source.zip'
  sha1 'd521382b80b3d1f7b8ad6e00ceb91721aa5e1917'

  depends_on :macos => :snow_leopard

  depends_on 'jpeg'
  depends_on 'openjpeg'
  depends_on 'jbig2dec'
  depends_on :x11 # libpng, freetype and the X11 libs

  def patches
    # Fix up the Makefile so it doesn't mess with our CFLAGS.
    DATA
  end

  def install
    openjpeg = Formula.factory 'openjpeg'
    ENV.append 'CPPFLAGS', "-I#{Dir[openjpeg.include/'openjpeg-*'].first}"
    ENV.append 'CFLAGS', '-DNDEBUG'
    ENV['SYS_FREETYPE_INC'] = "-I#{MacOS::X11.include}/freetype2"

    system "make", "install", "prefix=#{prefix}"
  end
end

__END__

Remove some Makefile rules that Homebrew takes care of through CFLAGS and
LDFLAGS. MuPDF doesn't look at CPPFLAGS, so we piggyback it onto CFLAGS.

diff --git a/Makerules b/Makerules
index 3e036f6..c9ddc69 100644
--- a/Makerules
+++ b/Makerules
@@ -5,24 +5,6 @@ OS := $(OS:MINGW%=MINGW)
 
 CFLAGS += -Wall
 
-ifeq "$(build)" "debug"
-CFLAGS += -pipe -g -DDEBUG
-else ifeq "$(build)" "profile"
-CFLAGS += -pipe -O2 -DNDEBUG -pg
-LDFLAGS += -pg
-else ifeq "$(build)" "release"
-CFLAGS += -pipe -O2 -DNDEBUG -fomit-frame-pointer
-else ifeq "$(build)" "coverage"
-CFLAGS += -pipe -g -DDEBUG -pg -fprofile-arcs -ftest-coverage
-LIBS += -lgcov
-else ifeq "$(build)" "native"
-CFLAGS += -pipe -O2 -DNDEBUG -fomit-frame-pointer -march=native -mfpmath=sse
-else ifeq "$(build)" "memento"
-CFLAGS += -pipe -g -DMEMENTO -DDEBUG
-else
-$(error unknown build setting: '$(build)')
-endif
-
 ifeq "$(OS)" "Linux"
 SYS_FREETYPE_INC := `pkg-config --cflags freetype2`
 X11_LIBS := -lX11 -lXext
@@ -36,18 +18,9 @@ endif
 
 # Mac OS X build depends on some thirdparty libs
 ifeq "$(OS)" "Darwin"
-SYS_FREETYPE_INC := -I/usr/X11R6/include/freetype2
-CFLAGS += -I/usr/X11R6/include
-LDFLAGS += -L/usr/X11R6/lib
+CFLAGS += $(CPPFLAGS)
 RANLIB_CMD = ranlib $@
 X11_LIBS := -lX11 -lXext
-ifeq "$(arch)" "amd64"
-CFLAGS += -m64
-LDFLAGS += -m64
-else
-CFLAGS += -m32
-LDFLAGS += -m32
-endif
 endif
 
 # The following section is an example of how to simply do cross-compilation